(19)
(11) EP 2 058 710 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.06.2010 Bulletin 2010/22

(43) Date of publication A2:
13.05.2009 Bulletin 2009/20

(21) Application number: 08015235.8

(22) Date of filing: 28.08.2008
(51) International Patent Classification (IPC): 
G03G 15/08(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 07.11.2007 JP 2007289756

(71) Applicant: Brother Kogyo Kabushiki Kaisha
Nagoya-shi, Aichi-ken 467-8561 (JP)

(72) Inventor:
  • Sakuma, Susumu
    Nagoya-shi, Aichi-ken, 467-8562 (JP)

(74) Representative: Kuhnen & Wacker 
Patent- und Rechtsanwaltsbüro Prinz-Ludwig-Strasse 40A
85354 Freising
85354 Freising (DE)

   


(54) Developing unit


(57) A developing unit comprising a developer cartridge (31) comprising an outside frame (82) and an inside frame (81) that comprises a first opening (89) and is movable between a first opening position where the first opening is opened and a first closing position where the first opening is closed by the outside frame, a first seal (92) disposed around the first opening on the inside frame, a housing that comprises a cartridge holding part (33) for holding the developer cartridge (31) and is capable of holding a developer holding member (37), and a capturing member (58) which is provided on the cartridge holding part, which has a developer capturing force greater than that of the first seal, and which is slide contactable with the first seal when the inside frame moves from the first opening position to the first closing position.







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